It's a lovely island. If you take a ship from Tokyo, 2.5 hours later, this beautiful sight would be in front of your eyes. You can have a good time at hot springs or beaches.
"Izu no odoriko (The Izu Dancer)" by Yasunari Kawabata is famous as modern novel. The dancers are from Izu Oshima here.
Minatoya Ryokan
(Odoriko no sato museum)
Jinnomaru tei
In May, beautiful azalea blooms. Camellia in winter is popular for tourists. Camellia oil is good as a gift.